Fibrinous pericarditis is an exudative inflammation.

Moist exudative inflammation and moist ulcers respond to tepid wet compresses of Burow's solution or just saline or water for 30 to 60 minutes several times a day.

The early lesion displays acute exudative inflammation; exudative components and crevicular lymphocytes reach their maximum levels between days 6-12 after plaque accumulates and gingival inflammation commences with the quantity of crevicular fluid being proportional to the size of the reaction site within the underlying connective tissue.